#!/usr/bin/env python3
#-*- coding:utf-8 -*-

__author__ = "tongzi"

import subprocess

print("$ nslookup www.python.org")
r = subprocess.call(['nslookup','www.python.org'])
print("Exit code:%s" % r)


p = subprocess.Popen(['nslookup'],stdin=subprocess.PIPE,stdout=subprocess.PIPE,
					stderr=subprocess.PIPE)
output, err = p.communicate(b'set q=mx\npython.org\nexit\n')
print(output.decode('utf-8'))
print("Exit code:",p.returncode)